文章导入知识库

schoolNewsServ/.bin/mysql/sql/alter_resource_add_knowledge_fields.sql

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+-- 为tb_resource表添加知识库相关字段
+-- 执行前请确认数据库连接正确
+
+USE school_news;
+
+-- 添加知识库相关字段
+ALTER TABLE `tb_resource` 
+ADD COLUMN `is_in_knowledge` TINYINT(1) DEFAULT 0 COMMENT '是否已导入知识库' AFTER `is_banner`,
+ADD COLUMN `knowledge_file_id` VARCHAR(50) DEFAULT NULL COMMENT '知识库文件ID' AFTER `is_in_knowledge`,
+ADD COLUMN `knowledge_import_time` TIMESTAMP NULL DEFAULT NULL COMMENT '知识库导入时间' AFTER `knowledge_file_id`;
+
+-- 添加索引
+ALTER TABLE `tb_resource` ADD INDEX `idx_is_in_knowledge` (`is_in_knowledge`);
+
+-- 验证字段添加成功
+SELECT COLUMN_NAME, COLUMN_TYPE, COLUMN_COMMENT 
+FROM INFORMATION_SCHEMA.COLUMNS 
+WHERE TABLE_SCHEMA = 'school_news' 
+AND TABLE_NAME = 'tb_resource' 
+AND COLUMN_NAME IN ('is_in_knowledge', 'knowledge_file_id', 'knowledge_import_time');